Request Details

Route
/up GET
Timestamp
Sep 18, 2026 11:40 PM
Duration
10.0 ms
Status
200
Response Size
148 Bytes
Error
No

Performance Breakdown

Database
67.6% (4 queries)
View Rendering
17.6%
Application Logic
14.7%
Other Operations
0.0%
Total Operations
6
Slowest Operation
28.0 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 17.0ms 34.0ms 51.0ms 68.0ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
posts/show 12 ms 120.0%
SELECT name FROM users 28 ms 280.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 13 ms 130.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 3 ms 30.0%
rails/health#show 10 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 20.0%